Shark bubble machine



FIG. 1 is a front view of a shark bubble machine showing my new design

FIG. 2 is a rear perspective view thereof

FIG. 3 is a left side perspective view thereof

FIG. 4 is a right perspective view thereof; and,

FIG. 5 is a top perspective view thereof.

The broken lines depict features of the bubble machine that form no part of the claimed design. 

CLAIM The ornamental design for a shark bubble machine, as shown and described. 